Home / 39,141.60-58,717.80-14,175.60

Finding the Fourth Proportional to 39,141.60, 58,717.80 and 14,175.60

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Solution

The fourth proportional to 39,141.60, 58,717.80 and 14,175.60 is: 21,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.60 : 58,717.80 = 14,175.60 : x
  2. Step 2: Convert to fraction form
    39,141.60/58,717.80 = 14,175.60/x
  3. Step 3: Cross multiply
    39,141.60x = 58,717.80 × 14,175.60
  4. Step 4: Simplify right side
    39,141.60x = 832,360,045.68
  5. Step 5: Solve for x
    x = 832,360,045.68/39,141.60
  6. Step 6: Final answer
    x = 21,265.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.